UV Index for Redwood City, CA

Current Redwood City UV Index

0 (Low)

Last Updated 34 minutes ago

Hourly Redwood City UV Index

The hourly Redwood City, CA UV Index forecast for Friday, July 11th, 2025.

5 Day Hourly Redwood City UV Index Forecast

Last Updated 13 hours ago

The UV index forecast for the next five days in Redwood City, CA has 1 day reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Redwood City over the next five days will be 11 on Saturday, July 12th at 1:00 pm.

The UV index forecast for Friday, July 11th in Redwood City, CA is below.

Time UV Index Risk
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low
8am 0.6
Low
9am 1.7
Low
10am 3.6
Moderate
11am 6.4
High
12pm 9.2
Very High
1pm 10.6
Very High
2pm 10.3
Very High
3pm 8.5
Very High
4pm 6
High
5pm 3.4
Moderate
6pm 1.5
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 12th in Redwood City, CA is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low
8am 0.8
Low
9am 1.9
Low
10am 4.4
Moderate
11am 7.2
High
12pm 9.8
Very High
1pm 11
Extreme
2pm 10.5
Very High
3pm 8.7
Very High
4pm 6.2
High
5pm 3.6
Moderate
6pm 1.6
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 13th in Redwood City, CA is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.3
Low
8am 1.2
Low
9am 2.8
Low
10am 5.2
Moderate
11am 7.8
High
12pm 10
Very High
1pm 10.9
Very High
2pm 10.4
Very High
3pm 8.7
Very High
4pm 6.1
High
5pm 3.6
Moderate
6pm 1.6
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 14th in Redwood City, CA is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low